import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/getcookie")
public class GetCookieServlet extends HelloServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //从客户端获取cookie
        Cookie[] cookies = req.getCookies();
        if(cookies == null){
            System.out.println("请求中没有cookie");
        }else {
            for (Cookie cookie : cookies) {
                System.out.println(cookie.getName() + " " + cookie.getValue());
            }
        }
        resp.getWriter().write("ok");

    }
}
